Clock



FIG. 1 is a left front isometric view of a clock showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a partial cross-sectional view as taken from the right side. 

The ornamental design of a clock, as shown. 